SPECIAL EDITION! Darkside rolls at speeds of up to 14 mph and connects instantly to your device via Bluetooth SMART with a range of up to 100 feet. Turn on a dime with Nubby Tires or take them off to drift like a street racer. Darkside also comes with a bonus set of Turbo Tires and Flux Hubs so you can customize performance. Powered by USB charging, Darkside's LEDs glow in customizable colors as it spins, drifts and flips with app-powered tricks.